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ACI-ASTM CD4MCuN Steel vs. C64800 Bronze

ACI-ASTM CD4MCuN steel belongs to the iron alloys classification, while C64800 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD4MCuN steel and the bottom bar is C64800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 18
8.0
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 79
44
Tensile Strength: Ultimate (UTS), MPa 770
640
Tensile Strength: Yield (Proof), MPa 550
630

Thermal Properties

Latent Heat of Fusion, J/g 300
220
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1420
1090
Melting Onset (Solidus), °C 1380
1030
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 17
260
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
65
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
66

Otherwise Unclassified Properties

Base Metal Price, % relative 18
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 49
43
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
51
Resilience: Unit (Modulus of Resilience), kJ/m3 760
1680
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 4.5
75
Thermal Shock Resistance, points 21
23

Alloy Composition

Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 24.5 to 26.5
0 to 0.090
Cobalt (Co), % 0
1.0 to 3.0
Copper (Cu), % 2.7 to 3.3
92.4 to 98.8
Iron (Fe), % 59.5 to 66.3
0 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.7 to 2.3
0
Nickel (Ni), % 4.7 to 6.0
0 to 0.5
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.5
Silicon (Si), % 0 to 1.0
0.2 to 1.0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5